<?php
/**
 * Admin: Quick Setup page for Bongoto WooCommerce (FINAL)
 *
 * - Missing plugin notices (Elementor, Woo, Bongoto Seller, Bongoto Pro)
 * - Button spacing (Import / Open Customizer)
 * - After import: open Home in new tab + success notice with "View Home"
 * - Front page not set notice
 *
 * @package Bongoto_WooCommerce
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/** Defensive constants */
if ( ! defined( 'BONGOTO_WC_DIR' ) ) {
	define( 'BONGOTO_WC_DIR', get_template_directory() );
}
if ( ! defined( 'BONGOTO_WC_URI' ) ) {
	define( 'BONGOTO_WC_URI', get_template_directory_uri() );
}

/** Keys */
const BONGOTO_WC_SETUP_OPTION_DONE    = 'bongoto_woocommerce_setup_completed';
const BONGOTO_WC_SETUP_TRANSIENT_SHOW = 'bongoto_woocommerce_show_setup';
const BONGOTO_WC_SETUP_OPTION_DISMISS = 'bongoto_woocommerce_setup_dismissed';

/* -------------------------------------------------------
 * Admin CSS/JS for the Setup page
 * ----------------------------------------------------- */
add_action(
	'admin_enqueue_scripts',
	function( $hook ) {
		if ( 'appearance_page_bongoto-woocommerce-setup' !== $hook ) {
			return;
		}

		// Small gap between Import and Customizer buttons.
		$css = '
		.bongoto-actions-row{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:8px; }
		';
		wp_register_style( 'bongoto-wc-setup-inline', false, array(), null );
		wp_enqueue_style( 'bongoto-wc-setup-inline' );
		wp_add_inline_style( 'bongoto-wc-setup-inline', $css );

		// If import succeeded, open Home permalink in a new tab.
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$home_url = isset( $_GET['bongoto_home_url'] ) ? esc_url_raw( wp_unslash( $_GET['bongoto_home_url'] ) ) : '';
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$created  = isset( $_GET['bongoto_home_created'] ) && '1' === $_GET['bongoto_home_created'];

		if ( $created && $home_url ) {
			$js = 'document.addEventListener("DOMContentLoaded",function(){ try{ window.open(' . wp_json_encode( $home_url ) . ',"_blank"); }catch(e){} });';
			wp_register_script( 'bongoto-wc-setup-open-home', '', array(), null, true );
			wp_enqueue_script( 'bongoto-wc-setup-open-home' );
			wp_add_inline_script( 'bongoto-wc-setup-open-home', $js );
		}
	}
);

/* -------------------------------------------------------
 * Helper: plugin active check
 * ----------------------------------------------------- */
function bongoto_woocommerce_is_plugin_active( string $file ): bool {
	include_once ABSPATH . 'wp-admin/includes/plugin.php';
	return function_exists( 'is_plugin_active' ) && is_plugin_active( $file );
}

/* -------------------------------------------------------
 * Admin notices (missing plugins, front page, quick setup)
 * ----------------------------------------------------- */
add_action(
	'admin_notices',
	function () {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		$setup_url = admin_url( 'themes.php?page=bongoto-woocommerce-setup' );

		// Missing plugins notice (any one inactive OR not installed).
		$missing = array();

		// Expected main files.
		$expect = array(
			'elementor/elementor.php'             => __( 'Elementor', 'bongoto-woocommerce' ),
			'woocommerce/woocommerce.php'         => __( 'WooCommerce', 'bongoto-woocommerce' ),
		//	'bongoto-seller/bongoto-seller.php'   => __( 'Bongoto Seller', 'bongoto-woocommerce' ),
			'bongoto-wc-addon/bongoto-wc-addon.php'         => __( 'Bongoto WC Add-On', 'bongoto-woocommerce' ),
		);

		include_once ABSPATH . 'wp-admin/includes/plugin.php';
		$all = function_exists( 'get_plugins' ) ? get_plugins() : array();

		foreach ( $expect as $file => $label ) {
			// Not installed.
			if ( ! isset( $all[ $file ] ) ) {
				$missing[] = $label;
				continue;
			}
			// Installed but inactive.
			if ( ! bongoto_woocommerce_is_plugin_active( $file ) ) {
				$missing[] = $label;
			}
		}

		if ( ! empty( $missing ) ) {
			echo '<div class="notice notice-warning is-dismissible"><p>';
			echo esc_html__( 'Some recommended plugins are missing or inactive:', 'bongoto-woocommerce' ) . ' ';
			echo '<strong>' . esc_html( implode( ', ', $missing ) ) . '</strong>. ';
			echo esc_html__( 'Open the setup page to install or activate them.', 'bongoto-woocommerce' ) . ' ';
			echo '<a class="button button-primary" href="' . esc_url( $setup_url ) . '">' . esc_html__( 'Open Setup', 'bongoto-woocommerce' ) . '</a>';
			echo '</p></div>';
		}

		// Front page not set → show actionable notice.
		$needs_front = ( 'page' !== get_option( 'show_on_front' ) ) || ! (int) get_option( 'page_on_front' );
		if ( $needs_front ) {
			echo '<div class="notice notice-warning is-dismissible"><p>'
			   . esc_html__( 'A front page is not configured.', 'bongoto-woocommerce' ) . ' '
			   . esc_html__( 'Click the button below to create/import and set a Home page.', 'bongoto-woocommerce' )
			   . ' <a class="button button-primary" href="' . esc_url( $setup_url ) . '">'
			   . esc_html__( 'Open Setup', 'bongoto-woocommerce' ) . '</a></p></div>';
		}

		// One-time “Quick Setup” info after activation.
		if ( get_option( BONGOTO_WC_SETUP_OPTION_DONE ) || get_option( BONGOTO_WC_SETUP_OPTION_DISMISS ) ) {
			delete_transient( BONGOTO_WC_SETUP_TRANSIENT_SHOW );
			return;
		}

		if ( get_transient( BONGOTO_WC_SETUP_TRANSIENT_SHOW ) ) {
			$dismiss_url = wp_nonce_url( add_query_arg( 'bongoto_wc_setup_dismiss', '1' ), 'bongoto_wc_setup_dismiss' );
			echo '<div class="notice notice-info is-dismissible">';
			echo '<p><strong>' . esc_html__( 'Bongoto – Quick Setup', 'bongoto-woocommerce' ) . '</strong></p>';
			echo '<p>' . esc_html__( 'Install/activate recommended plugins or import a demo Home page.', 'bongoto-woocommerce' ) . '</p>';
			echo '<p><a class="button button-primary" href="' . esc_url( $setup_url ) . '">' . esc_html__( 'Open Setup', 'bongoto-woocommerce' ) . '</a> ';
			echo '<a class="button" href="' . esc_url( $dismiss_url ) . '">' . esc_html__( 'Dismiss', 'bongoto-woocommerce' ) . '</a></p>';
			echo '</div>';
		}
	}
);

/** Clear transient once done/dismissed. */
add_action(
	'admin_init',
	function () {
		if ( get_option( BONGOTO_WC_SETUP_OPTION_DONE ) || get_option( BONGOTO_WC_SETUP_OPTION_DISMISS ) ) {
			delete_transient( BONGOTO_WC_SETUP_TRANSIENT_SHOW );
		}
	}
);

/** Permanent dismiss handler. */
add_action(
	'admin_init',
	function () {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$nonce = isset( $_REQUEST['_wpnonce'] ) ? wp_unslash( $_REQUEST['_wpnonce'] ) : '';
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		if ( isset( $_GET['bongoto_wc_setup_dismiss'] ) && wp_verify_nonce( $nonce, 'bongoto_wc_setup_dismiss' ) ) {
			delete_transient( BONGOTO_WC_SETUP_TRANSIENT_SHOW );
			update_option( BONGOTO_WC_SETUP_OPTION_DISMISS, time() );
			wp_safe_redirect( remove_query_arg( array( 'bongoto_wc_setup_dismiss', '_wpnonce' ) ) );
			exit;
		}
	}
);

/* -------------------------------------------------------
 * Register Setup page
 * ----------------------------------------------------- */
add_action(
	'admin_menu',
	function () {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		add_theme_page(
			__( 'Bongoto Setup', 'bongoto-woocommerce' ),
			__( 'Bongoto Setup', 'bongoto-woocommerce' ),
			'manage_options',
			'bongoto-woocommerce-setup',
			'bongoto_woocommerce_setup_render_page'
		);
	}
);

/* -------------------------------------------------------
 * Helpers
 * ----------------------------------------------------- */

/**
 * Build action button row for a plugin.
 *
 * @param string $slug   Plugin slug (wp.org).
 * @param string $label  Human label.
 * @param bool   $is_pro Is this a Pro addon?
 * @param string $pro_url External URL (if Pro not from wp.org).
 * @return string
 */
function bongoto_woocommerce_setup_plugin_row( string $slug, string $label, bool $is_pro = false, string $pro_url = '' ): string {
	include_once ABSPATH . 'wp-admin/includes/plugin.php';

	$installed   = false;
	$active      = false;
	$plugin_file = '';

	$plugins = function_exists( 'get_plugins' ) ? get_plugins() : array();
	foreach ( $plugins as $file => $data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		if ( 0 === strpos( $file, $slug . '/' ) ) {
			$installed   = true;
			$plugin_file = $file;
			$active      = is_plugin_active( $file );
			break;
		}
	}

	$button_html = '';

	if ( ! $installed ) {
		if ( $is_pro && $pro_url ) {
			$button_html = '<a class="button button-primary" target="_blank" rel="noopener" href="' . esc_url( $pro_url ) . '">'
				. esc_html__( 'Get Pro', 'bongoto-woocommerce' ) . '</a>';
		} else {
			$url         = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=' . $slug ), 'install-plugin_' . $slug );
			$button_html = '<a class="button button-secondary" href="' . esc_url( $url ) . '">'
				. esc_html__( 'Install', 'bongoto-woocommerce' ) . '</a>';
		}
	} elseif ( ! $active && $plugin_file ) {
		$url         = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=' . $plugin_file ), 'activate-plugin_' . $plugin_file );
		$button_html = '<a class="button button-primary" href="' . esc_url( $url ) . '">'
			. esc_html__( 'Activate', 'bongoto-woocommerce' ) . '</a>';
	} else {
		$button_html = '<span class="button disabled" aria-disabled="true">'
			. esc_html__( 'Activated', 'bongoto-woocommerce' ) . '</span>';
	}

	return '<li style="display:flex;align-items:center;justify-content:space-between;gap:10px;">'
		. '<span>' . esc_html( $label ) . '</span>'
		. '<span>' . $button_html . '</span>'
		. '</li>';
}

/**
 * Scan assets/elementor demos.
 *
 * @return array
 */
function bongoto_woocommerce_setup_list_demo_jsons(): array {
	$dir  = trailingslashit( BONGOTO_WC_DIR ) . 'assets/elementor';
	$list = array();

	if ( is_dir( $dir ) ) {
		$files = glob( $dir . '/*.json' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_glob
		if ( $files ) {
			foreach ( $files as $abs ) {
				$rel  = str_replace( BONGOTO_WC_DIR . DIRECTORY_SEPARATOR, '', $abs );
				$size = filesize( $abs ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_file_get_contents
				$list[] = array(
					'abs'  => $abs,
					'rel'  => $rel,
					'size' => $size ? size_format( $size ) : '',
				);
			}
		}
	}

	$default = $dir . '/digital-marketplace-01.json';
	if ( file_exists( $default ) && ! array_filter(
		$list,
		function( $i ) {
			return basename( $i['abs'] ) === 'digital-marketplace-01.json';
		}
	) ) {
		$list[] = array(
			'abs'  => $default,
			'rel'  => 'assets/elementor/digital-marketplace-01.json',
			'size' => size_format( filesize( $default ) ), // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_file_get_contents
		);
	}
	return $list;
}

/**
 * Import JSON to a "Home" page and set as front page.
 *
 * @param string $abs_json Absolute path to JSON.
 * @return string|WP_Error Page ID on success.
 */
function bongoto_woocommerce_setup_import_elementor_home( string $abs_json ) {
	if ( ! file_exists( $abs_json ) ) {
		return new WP_Error( 'missing_json', __( 'Selected JSON file not found.', 'bongoto-woocommerce' ) );
	}
	$json = file_get_contents( $abs_json ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
	if ( '' === trim( (string) $json ) ) {
		return new WP_Error( 'empty_json', __( 'Selected JSON file is empty.', 'bongoto-woocommerce' ) );
	}

	$page = get_page_by_title( 'Home' );
	if ( $page && 'page' === $page->post_type ) {
		$page_id = (int) $page->ID;
	} else {
		$page_id = wp_insert_post(
			array(
				'post_title'  => 'Home',
				'post_type'   => 'page',
				'post_status' => 'publish',
				'post_content'=> '',
			)
		);
		if ( is_wp_error( $page_id ) ) {
			return $page_id;
		}
	}

	if ( class_exists( '\Elementor\Plugin' ) ) {
		update_post_meta( $page_id, '_elementor_edit_mode', 'builder' );
		update_post_meta( $page_id, '_elementor_template_type', 'wp-page' );
		update_post_meta( $page_id, '_elementor_data', wp_slash( $json ) );
		wp_update_post(
			array(
				'ID'           => $page_id,
				'post_content' => '',
			)
		);
	} else {
		$placeholder = '<div style="text-align:center;padding:40px 0;">'
			. esc_html__( 'Please install & activate Elementor to render this layout.', 'bongoto-woocommerce' )
			. '</div>';
		wp_update_post(
			array(
				'ID'           => $page_id,
				'post_content' => $placeholder,
			)
		);
	}

	update_option( 'show_on_front', 'page' );
	update_option( 'page_on_front', $page_id );

	update_option( BONGOTO_WC_SETUP_OPTION_DONE, time() );
	delete_transient( BONGOTO_WC_SETUP_TRANSIENT_SHOW );

	return (string) $page_id;
}

/**
 * Handle Import POST.
 */
function bongoto_woocommerce_setup_handle_import_post() {
	if ( ! current_user_can( 'manage_options' ) ) {
		return;
	}

	// phpcs:ignore WordPress.Security.NonceVerification.Missing
	if ( ! isset( $_POST['bongoto_wc_import_nonce'] ) || ! wp_verify_nonce( wp_unslash( $_POST['bongoto_wc_import_nonce'] ), 'bongoto_wc_import' ) ) {
		return;
	}

	// phpcs:ignore WordPress.Security.NonceVerification.Missing
	$rel = isset( $_POST['bongoto_demo_file'] ) ? sanitize_text_field( wp_unslash( $_POST['bongoto_demo_file'] ) ) : '';
	if ( '' === $rel ) {
		add_settings_error( 'bongoto_wc_setup', 'no_file', __( 'Please select a demo JSON file.', 'bongoto-woocommerce' ), 'error' );
		return;
	}

	$abs        = realpath( trailingslashit( BONGOTO_WC_DIR ) . ltrim( $rel, '/\\' ) );
	$theme_root = realpath( BONGOTO_WC_DIR );
	if ( ! $abs || 0 !== strpos( $abs, $theme_root ) ) {
		add_settings_error( 'bongoto_wc_setup', 'bad_path', __( 'Invalid file path.', 'bongoto-woocommerce' ), 'error' );
		return;
	}

	$res = bongoto_woocommerce_setup_import_elementor_home( $abs );
	if ( is_wp_error( $res ) ) {
		add_settings_error( 'bongoto_wc_setup', $res->get_error_code(), $res->get_error_message(), 'error' );
		return;
	}

	$home_url = get_permalink( (int) $res );

	// Redirect back to setup page with flags so JS can open the Home in a new tab
	// and success notice with View Home button can be shown.
	wp_safe_redirect(
		add_query_arg(
			array(
				'page'                 => 'bongoto-woocommerce-setup',
				'settings-updated'     => 'true',
				'bongoto_home_created' => '1',
				'bongoto_home_url'     => rawurlencode( $home_url ),
			),
			admin_url( 'themes.php' )
		)
	);
	exit;
}
add_action( 'admin_init', 'bongoto_woocommerce_setup_handle_import_post' );

/**
 * Render Setup page.
 */
function bongoto_woocommerce_setup_render_page() {
	if ( ! current_user_can( 'manage_options' ) ) {
		return;
	}

	// Success message after import with "View Home" button.
	// phpcs:ignore WordPress.Security.NonceVerification.Recommended
	if ( isset( $_GET['bongoto_home_created'] ) && '1' === $_GET['bongoto_home_created'] ) {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$home_url = isset( $_GET['bongoto_home_url'] ) ? esc_url( wp_unslash( $_GET['bongoto_home_url'] ) ) : home_url( '/' );
		echo '<div class="notice notice-success is-dismissible"><p>'
		   . esc_html__( 'Demo imported and set as the Front Page.', 'bongoto-woocommerce' )
		   . ' <a class="button button-primary" href="' . esc_url( $home_url ) . '" target="_blank" rel="noopener">'
		   . esc_html__( 'View Home', 'bongoto-woocommerce' ) . '</a></p></div>';
	}

	settings_errors( 'bongoto_wc_setup' );

	$demos         = bongoto_woocommerce_setup_list_demo_jsons();
	$current_front = (int) get_option( 'page_on_front' );

	$grid_css = 'display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;max-width:1200px;';
	$card_css = 'background:#fff;border:1px solid #e2e8f0;border-radius:8px;';
	$pad_css  = 'padding:16px 18px;';
	$list_css = 'list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;';
	?>
	<div class="wrap" id="bongoto-quick-setup">
		<h1><?php echo esc_html__( 'Bongoto – Quick Setup', 'bongoto-woocommerce' ); ?></h1>

		<div style="<?php echo esc_attr( $grid_css ); ?>">

			<!-- Recommended Plugins -->
			<div class="card" style="<?php echo esc_attr( $card_css ); ?>">
				<div class="inside" style="<?php echo esc_attr( $pad_css ); ?>">
					<h2 style="margin-top:0;"><?php esc_html_e( 'Recommended Plugins', 'bongoto-woocommerce' ); ?></h2>
					<ul style="<?php echo esc_attr( $list_css ); ?>">
						<?php
						echo bongoto_woocommerce_setup_plugin_row( 'elementor', __( 'Elementor', 'bongoto-woocommerce' ) );
						echo bongoto_woocommerce_setup_plugin_row( 'woocommerce', __( 'WooCommerce', 'bongoto-woocommerce' ) );
					//	echo bongoto_woocommerce_setup_plugin_row( 'bongoto-seller', __( 'Bongoto Seller', 'bongoto-woocommerce' ) );
						echo bongoto_woocommerce_setup_plugin_row(
							'bongoto-wc-addon',
							__( 'Bongoto WC Add-On', 'bongoto-woocommerce' ),
							true,
							'https://bongoto.com/product/bongoto-woocommerce-add-on-plugin/'
						);
						?>
					</ul>
				</div>
			</div>

			<!-- Import Demo -->
			<div class="card" style="<?php echo esc_attr( $card_css ); ?>">
				<div class="inside" style="<?php echo esc_attr( $pad_css ); ?>">
					<h2 style="margin-top:0;"><?php esc_html_e( 'Import a Demo Home', 'bongoto-woocommerce' ); ?></h2>

					<form method="post">
						<?php wp_nonce_field( 'bongoto_wc_import', 'bongoto_wc_import_nonce' ); ?>
						<p>
							<label for="bongoto_demo_file">
								<strong><?php esc_html_e( 'Select a demo JSON', 'bongoto-woocommerce' ); ?></strong>
							</label><br>
							<select id="bongoto_demo_file" name="bongoto_demo_file" style="min-width:320px;">
								<?php
								if ( $demos ) {
									foreach ( $demos as $item ) {
										printf(
											'<option value="%1$s">%2$s (%3$s)</option>',
											esc_attr( $item['rel'] ),
											esc_html( basename( $item['rel'] ) ),
											esc_html( $item['size'] )
										);
									}
								} else {
									echo '<option value="">' . esc_html__( 'No JSON file found in assets/elementor', 'bongoto-woocommerce' ) . '</option>';
								}
								?>
							</select>
						</p>

						<p class="bongoto-actions-row">
							<button type="submit" class="button button-primary">
								<?php esc_html_e( 'Import & Set as Front Page', 'bongoto-woocommerce' ); ?>
							</button>
							<a class="button" href="<?php echo esc_url( admin_url( 'customize.php' ) ); ?>">
								<?php esc_html_e( 'Open Customizer', 'bongoto-woocommerce' ); ?>
							</a>
						</p>

						<p class="description">
							<?php esc_html_e( 'The selected layout will be created as a “Home” page and set as the Front Page.', 'bongoto-woocommerce' ); ?>
						</p>

						<p>
							<em><?php esc_html_e( 'Current Front Page:', 'bongoto-woocommerce' ); ?></em>
							<?php
							if ( $current_front ) {
								printf(
									' %1$s (ID %2$d)',
									'<a href="' . esc_url( get_edit_post_link( $current_front ) ) . '">' . esc_html( get_the_title( $current_front ) ?: 'Home' ) . '</a>',
									(int) $current_front
								);
							} else {
								esc_html_e( 'Not set', 'bongoto-woocommerce' );
							}
							?>
						</p>
					</form>
				</div>
			</div>

			<!-- Help / Docs -->
			<div class="card" style="<?php echo esc_attr( $card_css ); ?>">
				<div class="inside" style="<?php echo esc_attr( $pad_css ); ?>">
					<h2 style="margin-top:0;"><?php esc_html_e( 'Help & Docs', 'bongoto-woocommerce' ); ?></h2>
					<p><?php echo esc_html__( 'Importing works best when Elementor is active. Images referenced as /assets/... should exist in your theme’s assets folder.', 'bongoto-woocommerce' ); ?></p>
					<p class="bongoto-actions-row">
						<a class="button" href="<?php echo esc_url( admin_url( 'plugin-install.php' ) ); ?>">
							<?php esc_html_e( 'Browse Plugins', 'bongoto-woocommerce' ); ?>
						</a>
						<a class="button" href="<?php echo esc_url( admin_url( 'site-health.php' ) ); ?>">
							<?php esc_html_e( 'Site Health', 'bongoto-woocommerce' ); ?>
						</a>
					</p>
				</div>
			</div>

		</div>
	</div>
	<?php
}